Category "c++sharp"

415 unsupported media type error while trying to upload file from react to web api

I am new to react and web api and I am getting this unsupported media type error while trying to upload my file into my web api function Here is my react js co

Get average of sum of grouped values with LINQ

I have an IEnumerable with fields Name(string) and Amount(ulong). I want to get a single LINQ query to group those elements by Name and then get their sum and a

Remote Desktop - getting session information (id, session name, etc.) from client side

Let's consider the following scenario: take a Windows Server instance (2012 or newer), with multiple user accounts. Each of those accounts needs to run an indiv

Need help converting a custom shader to URP

For the last few days I've been following Sebastian Lague's videos about procedual generation. Since my project is based on URP and the custom shader responsibl

Mock gRPC Response Stream for unit testing - C#

I have a function that calls a gRPC endpoint, converts the objects into POCO objects and returns them as a list. public class ActionPlanConnectionsService : ICo

Coloring the first and last rows in a datagrid WPF C#

Can you guy tell me a great way of coloring the last row in a datagrid in WPF, I have to color the first and last rows, I found a way to do the first one by doi

How to print out documents on a list which is datasource of DGV C#

my app has a DataGridView where all selected files get listed and added to a class which is the datasource of the DGV. public partial class Form1 : Form {

Same type-name exists in both Aero and Aero2

I am updating several projects from .net framework 4.7.2 to .net6, using the excellent upgrade-assistant tool. Sometimes I get this error: Error CS0433 The ty

c# Firesharp - How to update a single value of an object?

I have a c# project and I'm trying to update a single value of an object using FireSharp. However, when I do, it deletes the other objects that are strings. tld

Filter List inside List Linq

I have list say list of customers and inside each list there is another list of orders Class Customer { int ID, string Name List<Order> orders } Class Or

I have problems connection to Soap with Authentication

i'm trying to connect my project to SoapUI with an authentication. I am connected to my WS but after reading lots of documents I can´t understand how to c

C# HiQ Html to PDF Performance Issue

I'm working on a reporting project in C# that uses Razor pages to generate HTML and HiQ to convert the HTML to PDF. It's been working just fine until we added a

NET 5 and EF: how to use AddPooledDbContextFactory in liu of DbContext in services

I recently came across AddPooledDbContextFactory concept as part of my NET 5 self-education piece and am keen to implement it properly. However, I am not sure h

Generically Register All Concrete types for Lazy Loading in DI

I want to setup Lazy Loading of registered types in a generic way that does not require me to register each one individually. I can create an extension method t

C# REST API File Upload from Client Code gets 400 Bad Request

I have a Rest API written in .Net core that accepts a File as input as Multipart/Form-data. The API works absolutely fine when I run it from Swagger/Postman. He

MemberNotNullWhen (or other code analysis attributes) for inherited members?

I have a class: public abstract class InvestorAccount { public bool IsRegistered => ...; } And a subclass: public class PrivateInvestorAccount : Investo

`Failed resolution of: Lcom/google/android/datatransport/TransportFactory` when using Xamarin.Firebase

I'm creating a .NET MAUI application using the current preview 11. When I tried to implement Push notifications I added the Xamarin.Firebase.Messaging package a

What is the best practice to handle long external process in ASP.NET page?

An example will be something like: User clicks a button on a webpage I created with ASP.NET. My app calls an API hosted on a third party server. The user sees

How to save values in appsettings.json fetched from UI display

For UI, I am using Extjs, for server side, C#. My problem is i have a appsettings.json property under HubSettings, LiveStream is the property and it has Url, an

Binding section from appsettings.json to options

So I was trying to follow the Microsoft Docs, Options pattern in ASP.NET Core however for the life of me I can't seem to correctly get the "AppSettings" section